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Finding the Third Proportional to 64,189.13 and 95,929.31

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Solution

The third proportional to 64,189.13 and 95,929.31 is: 143,364.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,189.13 : 95,929.31 = 95,929.31 : x
  2. Step 2: Convert to fraction form
    64,189.13/95,929.31 = 95,929.31/x
  3. Step 3: Cross multiply
    64,189.13x = 95,929.31 × 95,929.31
  4. Step 4: Simplify right side
    64,189.13x = 9,202,432,996.72
  5. Step 5: Solve for x
    x = 9,202,432,996.72/64,189.13
  6. Step 6: Final answer
    x = 143,364.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.